This range of T-shirts depicts four famous results in mathematics and the mathematicians responsible. Here is your chance to show your mathematical chops and celebrate these famous results.

Leonardo Fibonacci of Pisa (c.1170 - c.1250)
This T-shirt features the Fibonacci sequence depicted by tree branching.

S Chest 50cm, Length 68.5 cm
M Chest: 52.5cm, Length 70.5cm
L Chest: 55cm, Length 72.5cm
XL Chest: 57.5cm, Length 74.5cm

Chest is measured (when T-shirt is lying flat) across the body just below armpits. Length is measured from bottom to top of shoulder.